Voice • Cloud PBX • South Africa
Business Voice & Cloud PBX — SIP Trunks, Teams Calling, IVR & Call Recording
Upgrade to carrier-grade SIP trunks, hosted PBX seats and Microsoft Teams Direct Routing. Keep your numbers, add IVR & queues, enable recording & analytics, and scale across sites — all engineered for low latency on Screamer’s network with SLA-backed support.
- Number porting
- Teams Direct Routing
- IVR & Queues
- Recording & Analytics
- QoS on Screamer WAN
- SLAs & credits
Choose your Voice Stack — SIP Trunks, Cloud PBX & Teams Calling
Mix and match: keep your PBX, go fully hosted, or light up Teams with South African numbers — all engineered for low latency and real SLAs.
SIP Trunks
- Number porting, DID ranges, CLI presentation
- Automatic failover to backup numbers or sites
- Codec support: G.711 / G.729 / Opus
- Fraud & spend controls with real-time alerts
Great for existing on-prem PBX or SBC deployments.
Hosted Cloud PBX
- Auto attendant, IVR, ring groups & queues
- Call recording, analytics & wallboards
- Softphones (iOS/Android/Windows/macOS) + desk phones
- CRM click-to-call & screen pops (browser extension)
All features in the cloud — provision users in minutes.
Microsoft Teams Calling
- Direct Routing with South African numbers
- Call queues, policies, survivable branch appliance (SBA)
- Hybrid with PBX + SIP where needed
- Emergency/location services configuration
Use Teams for PSTN calls. Keep your workflows; add enterprise voice.
Why Businesses Choose Screamer Voice & Cloud PBX
Carrier-grade reliability, modern features and real SLAs — engineered for clear calls and simple ops.
Carrier-grade SIP
Geo-redundant SBCs, number porting and scalable concurrent channels with failover routing.
Cloud PBX that just works
Auto attendants, queues, ring groups, call recording and analytics across softphone & desk phone.
Teams & Zoom ready
Direct Routing for Microsoft Teams with PBX/SIP hybrid options and Zoom Phone interoperability.
Keep your numbers
Seamless porting of geographic and non-geographic DIDs, plus new ranges on demand.
Crystal-clear quality
QoS over our backbone and peering for low jitter/packet loss; SD-WAN aware for branch voice.
Security built-in
SIP TLS/SRTP, fraud detection, rate limits, geo-IP controls, role-based admin and audit trails.
24/7 NOC & SLAs
Local engineers, proactive monitoring, clear response/restore targets and escalation paths.
Insights that matter
Wallboards, live queue stats, searchable recordings and compliance-friendly retention controls.
Security, Resilience & Compliance for Voice
Encryption & identity
SIP over TLS, SRTP media, strong auth, role-based permissions and audit trails.
- TLS/SRTP
- RBAC
- Audit
Abuse & fraud controls
Geo blocking, call rate limits, anomaly detection, spend caps and alerting.
- Geo-IP
- Rate limits
- Spend caps
Retention & privacy
Configurable recording retention, lawful intercept support and POPIA-aligned data handling.
- Retention
- POPIA
- Access control
How We Roll Out Voice — Fast & Low-Risk
Discovery
Confirm users, numbers, call flows and connectivity (QoS / SD-WAN). We map your IVR & queues and agree success criteria.
Build
Configure PBX/SBC policies, routing, DID ranges & test numbers. Create device profiles and apply security/fraud controls.
Pilot
Small test group validates IVR, queues, recording, analytics and CRM pops. We tune QoS and call policies.
Port & Cutover
Port DIDs with a documented rollback path. On-site hypercare ensures clean handover with minimal disruption.
Operate
24/7 NOC monitoring, reports & analytics. MACDs, retention & compliance policies kept current under change control.
Business Voice Pricing for South Africa — Cloud PBX, SIP Trunks & Teams Calling
We focus on quality calling, analytics and real SLAs; the market often sells “best effort”. Start from R199/user and save up to 70% versus legacy PBX and line rentals. Clear plans, clean contracts, zero surprises.
Cloud PBX — Starter
R199/user ex VAT
- Core PBX: IVR, ring groups, queues
- Softphone (mobile/desktop) + desk phone support
- Local & mobile call rates that beat legacy PABX
- Number porting included
Cloud PBX — Business
R299/user ex VAT
- Everything in Starter
- Call recording & retention controls
- Wallboards & live queue analytics
- CRM click-to-call and screen pops
Microsoft Teams Calling
Direct Routing with SA numbers
- Keep Teams as your dialler
- Policies, queues; hybrid PBX + SIP
- Emergency/location services options
- Per-user or per-channel models
SIP Trunks (per channel)
Great for existing PBX
- Concurrent channels you can scale monthly
- Failover routing to mobiles or sites
- Fraud protection & spend caps
- G.711 / G.729 / Opus support
Pricing excludes VAT. Final quote depends on seats, numbers to port, recording/retention and any Teams Direct Routing or hardware. Pilot first, then scale — we’ll keep it transparent.
Devices, Apps & Integrations — ready for the tools you use
Zero-drama provisioning, certified hardware, and click-to-call & CRM hooks that save time.
Desk phones (IP)
Yealink / Poly / Grandstream — PoE, HD voice, BLF keys, sidecars for reception; auto-provisioned profiles.
- Yealink
- Poly
- Grandstream
- PoE
Headsets
USB/Bluetooth with acoustic fence, ANC and busy-light — certified for Teams & Zoom.
- Jabra
- Poly
- ANC
- Busy-light
Softphones
Windows, macOS, iOS, Android. Hot-desking, push notifications and QoS-friendly codecs.
- Windows
- macOS
- iOS
- Android
Conference rooms
SIP/Teams devices, speakerphones, wireless sharing and BYOD kits for huddle to boardroom.
- SIP
- Teams
- BYOD
Integrations
CRM screen-pops & click-to-call via browser extension; webhooks/API for custom workflows.
- Salesforce
- HubSpot
- Teams
- Zoom
- Webhooks
Numbers, Porting & Call Compliance
Port seamlessly, scale cleanly, and stay compliant — without missed calls or messy change windows.
Keep your numbers
Geographic (010/011/012/021/031) and non-geographic (0800/086/087) with zero-downtime port windows.
New number ranges
Block allocations for branches, campaigns and queues with DID mapping and CNAM where supported.
Call recording & POPIA
On-demand or always-on recording, retention policies, searchable archive and lawful intercept tooling.
Add-ons: Cyber Security, Managed IT & LAN, SD-WAN.
SLA & Support You Can Depend On
Contracted targets, real-time monitoring and disciplined change control — not “best effort”.
Uptime commitment
Contracted targets with response/restore SLAs and penalties.
24/7 NOC
Real-time monitoring, proactive alerts and direct escalation paths.
Change control
Documented MACD for users, routing, trunks, recording & retention.
How Screamer compares to typical voice providers
Call quality
ScreamerQoS across our backbone & peering for low jitter and clean audio.
MarketBest-effort or shaped paths that degrade during busy hours.
Teams calling
ScreamerDirect Routing with PBX + SIP hybrid options and policy control.
MarketLimited interoperability and fewer routing/queue features.
Recording & analytics
ScreamerSearchable archive, retention policies, wallboards & live queue analytics.
MarketBasic CDRs only; limited insights for QA or compliance.
Support
Screamer24/7 SA-based NOC, clear SLAs and documented change control.
MarketBusiness-hours only, slower escalation and limited MACD process.
Business Phone Systems in South Africa — Managed VoIP, Cloud PBX, SIP & Contact Centre
Simple, scalable voice for SMEs and enterprises: Cloud PBX, Managed VoIP, SIP Trunks, Microsoft Teams Calling, Onsite IP PBX and Hosted Call & Contact Centre. Built for clear calls, real analytics and clean migrations.
Managed VoIP (Hosted voice made easy)
Ditch legacy PABX and run voice over your business Internet. We host, monitor and manage the platform so you don’t babysit phones.
- Zero-touch deployment, number porting included
- Softphone & desk phones supported (mobile/desktop)
- QoS for clear calls; fraud controls & spend caps
VoIP Line — from R116 p/m
Start simple with a single VoIP line (keep your number). Upgrade to Cloud PBX later without changing providers.
- Cheaper call rates vs traditional lines
- Works over fibre/LTE/wireless with QoS
- Scale to multiple lines or a full PBX anytime
Hosted IP PBX (Cloud PBX)
All the power of an enterprise switchboard, hosted in our cloud. No CAPEX, no maintenance — just seats that scale.
- IVR, ring groups, queues, voicemail to email
- Call recording, wallboards & live analytics
- Integrations: CRM click-to-call, webhooks & APIs
SIP Trunks (keep your existing PBX)
Plug carrier-grade SIP into your current on-prem or cloud PBX and cut per-minute costs immediately.
- Concurrent channels you can scale monthly
- Geo-redundant routing & automatic failover
- G.711 / G.729 / Opus, TLS/SRTP options
Dedicated Onsite IP PBX
Prefer hardware on your premises? We deploy and manage an IP PBX with the features you expect — minus the headaches.
- Modern IP handsets & extensions
- Voicemail apps, paging, intercom, hot-desking
- Call recording & role-based administration
Hosted Call & Contact Centre
Upgrade CX with advanced routing, reporting and channels — without big-bang CAPEX.
- Inbound & outbound, IVR & intelligent routing
- Quality monitoring, scripting & agent wallboards
- WhatsApp & digital channels, CRM integrations
Microsoft Teams Calling (Direct Routing)
Use Teams as your softphone with South African numbers, or run hybrid with your PBX and SIP trunks.
- Number porting, policies, queues & compliance
- Per-user or per-channel commercial models
- Emergency/location services where required
Conference Call — Advanced (up to 25)
Fast, reliable audio conferences from any SA mobile or fixed line. Great for stand-ups, briefs and quick decisions.
- Local access, PIN security & host controls
- Calendar invites & simple dial-ins
- Clear quality and predictable costs
Built for every team — and every site
These popular sectors adopt Cloud PBX, SIP trunks and Teams Calling first — but the platform fits any industry and footprint.
Also great for: Construction • Manufacturing • Financial Services • Education • Hospitality • Government • Agriculture
Contact centres
Skills routing, wallboards, QA scorecards, recordings & retention. Scale seats fast for campaigns.
Retail & QSR
Store/branch lines, queue announcements, POS/helpdesk flows and after-hours IVR.
Healthcare
Multi-site switchboards, secure recordings, audit trails and high availability for critical comms.
Mining & resources
Rugged endpoints, radio/SIP interop, satellite/wireless backhaul and safety paging.
Logistics & yards
Gatehouse/security lines, driver hotlines, intercoms and yard-wide paging.
Professional services
DID per department, time-of-day routing, call recording and bill-code reporting.
Ready to modernise your phones?
Tell us where you’re based and how your call flow works. We’ll map the best SIP/PBX/Teams combo for you.
Voice & Cloud PBX — FAQs
Can I keep my existing numbers?
Yes. We port geographic and non-geographic ranges. We’ll schedule a low-impact porting window and test inbound/outbound before cutover.
Do you support Microsoft Teams calling?
Yes. We provide Direct Routing so you can use Teams as your dialler. Hybrid setups with Cloud PBX and SIP are also supported.
Is call recording available?
Yes. Choose on-demand or always-on, with retention policies, secure storage and search. Analytics and QA scorecards are available.
How many concurrent calls can I have?
Scale channels to match your peak load. We can auto-burst during promos/campaigns, then scale back afterward.
Can I use my own desk phones?
Most standards-based SIP devices are supported. We also supply and manage Yealink/Poly/Grandstream endpoints.
Do you offer IVR and call queues?
Yes. Build menus, ring groups and skills-based queues with wallboards and reports for supervisors.
What connectivity do I need?
Any stable internet works. For the best quality, pair Voice with Screamer Business Internet or SD-WAN for QoS.
Is the service secure?
We support SIP TLS/SRTP, fraud monitoring, geo-locking and role-based admin. Ask about additional controls for compliance.
Do you integrate with CRM tools?
We support standard webhooks, click-to-dial and API exports. Speak to us about your stack.
What’s the typical onboarding timeline?
Most projects complete in 1–3 weeks depending on porting lead times, device staging and training.